'use strict'
const path = require('path')
const defaultSettings = require('./src/settings.js')
function resolve(dir) {
return path.join(__dirname, dir)
}
const name = defaultSettings.title || 'vue Element Admin' // page title
const port = process.env.port || process.env.npm_config_port || 9527 // dev port
// https://cli.vuejs.org/config/
module.exports = {
// 相对路径,构建出来的包存放的路径
publicPath: '/',
// 构建出来的包输出的目录 [default: dist]
outputDir: 'dist',
// 防止静态资源的目录
assetsDir: 'static',
// 保存使用eslint-loader检查
lintOnSave: process.env.NODE_ENV === 'development',
// 不需要生产环境的sourceMap,设为false加速生产环境构建
productionSourceMap: false,
// 用于改变原devServer配置项的默认行为
devServer: {
port: port,
open: true,
overlay: {
warnings: false,
errors: true
},
before: require('./mock/mock-server.js'),
// 在开发环境下将api请求代理到api服务器
proxy: {
'/api': {
target: 'http://192.168.1.192:13012',
changeOrigin: true,
secure: false,
ws: true,
pathRewrite: {
'^/api': ''
}
}
}
},
/**
* webpack相关配置,基于webpack-merge
* object:合并至最终的配置中
* function:会接受被解析的配置作为参数
* */
configureWebpack: {
name: name,
resolve: {
alias: {
'@': resolve('src')
}
}
},
// 基于webpack-chain对内部的webpack配置进行更细粒度的修改
chainWebpack(config) {
// 它可以提高首屏的速度,建议开启预加载
config.plugin('preload').tap(() => [
{
rel: 'preload',
fileBlacklist: [/.map$/, /hot-update.js$/, /runtime..*.js$/],
include: 'initial'
}
])
// 当页面太多时,会导致太多无意义的请求
config.plugins.delete('prefetch')
// set svg-sprite-loader
config.module
.rule('svg')
.exclude.add(resolve('src/icons'))
.end()
config.module
.rule('icons')
.test(/.svg$/)
.include.add(resolve('src/icons'))
.end()
.use('svg-sprite-loader')
.loader('svg-sprite-loader')
.options({
symbolId: 'icon-[name]'
})
.end()
config
.when(process.env.NODE_ENV !== 'development',
config => {
config
.plugin('ScriptExtHtmlWebpackPlugin')
.after('html')
.use('script-ext-html-webpack-plugin', [{
// `runtime` must same as runtimeChunk name. default is `runtime`
inline: /runtime..*.js$/
}])
.end()
// 打包代码分割
config
.optimization.splitChunks({
chunks: 'all',
cacheGroups: {
libs: {
name: 'chunk-libs',
test: /[\/]node_modules[\/]/,
priority: 10,
chunks: 'initial' // 仅限于最初依赖的第三方
},
elementUI: {
name: 'chunk-elementUI', // 将elementUI拆分为单个包
priority: 20, // 重量需要大于libs和app,否则将打包到libs或app中
test: /[\/]node_modules[\/]_?element-ui(.*)/ // 为了适应cnpm
},
commons: {
name: 'chunk-commons',
test: resolve('src/components'), // 您可以自定义您的规则
minChunks: 3, // 最小公共数
priority: 5,
reuseExistingChunk: true
}
}
})
// https:// webpack.js.org/configuration/optimization/#optimizationruntimechunk
config.optimization.runtimeChunk('single')
}
)
}
}